Trash Can Liner Sizing Guide
What Size Liner Do I Need for My Trash Can?
Download the Trash Can Liner Sizing Guide (PDF)
Using the guide below, find your waste receptacle to determine the recommended liner size.
Commercial can liner sizes are expressed in two numbers (e.g., 33″ x 40″). The first number represents the opening size, and the second is the height of the liner.
To find the correct size liner:
- Measure the can’s circumference.
- Measure its height.
- Match your container to the size chart in the PDF guide to find the best fit.
How to Calculate Trash Bag Size
Bag Width
To calculate the proper width for your trash liner:
- Round containers: Divide the circumference by 2.
- Square/rectangular containers: Add up all four sides and divide by 2.
Bag Length
For both round and square containers:
- Add the height of the container.
- Add 4-5 inches for overhang.
Choosing the Right Trash Can Liner
Linear Low-Density Can Liners (LLD)
Best for sharper objects and heavy-duty transport. These liners have excellent resistance to punctures and tearing.
- Puncture Resistance: Good
- Tear Resistance: Better
- Load Capacity: Good
High-Density Trash Can Liners (HD)
Best for paper and non-sharp objects. They use less plastic while maintaining strength.
- Puncture Resistance: Better
- Tear Resistance: Good
- Load Capacity: Better
Understanding Gauge Thickness
The strength of a trash can liner isn’t just about thickness—it depends on the quality of the material.
Thickness Measurements
- Mil: One-thousandth of an inch (.001″). Can liners range from .35 to 4.0 mils.
- Micron: 1,000 microns (M) = 1mm. Can liners range from 5 to 24 microns.
Micron to Mil Conversion Chart
| Microns | Mils |
|---|---|
| 5 | .19 |
| 10 | .39 |
| 15 | .59 |
| 20 | .78 |
| 25 | .98 |
| 30 | 1.18 |
| 35 | 1.38 |
| 40 | 1.57 |
| 45 | 1.77 |
| 50 | 1.97 |
For the full chart, refer to our Trash Can Liner Guide (PDF).
